CVE-2026-129092

MEDIUMCVSS 5.7/10

Last modified

CVE-2026-129092 is a medium-severity vulnerability rated 5.7/10 on the CVSS scale. CCC Attestation SIG attested-tls-poc through commit 731ca82 contains a time-of-check time-of-use vulnerability because Evidence is appraised only once during the TLS handshake, without post-handshake re-attestation. Attackers with local access to the attesting endpoint can alter workload code, data, configuration, or attached devices like GPUs while peers keep trusting the original Evidence..

Description

CCC Attestation SIG attested-tls-poc through commit 731ca82 contains a time-of-check time-of-use vulnerability because Evidence is appraised only once during the TLS handshake, without post-handshake re-attestation. Attackers with local access to the attesting endpoint can alter workload code, data, configuration, or attached devices like GPUs while peers keep trusting the original Evidence.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
CCC-Attestationattested-tls-poc<= 731ca82ed533fc7a1092be980887ae2e34261da2

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-129092?
CCC Attestation SIG attested-tls-poc through commit 731ca82 contains a time-of-check time-of-use vulnerability because Evidence is appraised only once during the TLS handshake, without post-handshake re-attestation. Attackers with local access to the attesting endpoint can alter workload code, data, configuration, or attached devices like GPUs while peers keep trusting the original Evidence.
How severe is CVE-2026-129092?
CVE-2026-129092 has a CVSS score of 5.7/10 (MEDIUM severity).
How do I fix CVE-2026-129092?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST